diff --git a/buildutils/bundle.py b/buildutils/bundle.py
index f1292c4..9271036 100644
--- a/buildutils/bundle.py
+++ b/buildutils/bundle.py
@@ -35,8 +35,8 @@ pjoin = os.path.join
 # Constants
 #-----------------------------------------------------------------------------
 
-bundled_version = (0,5,1,2)
-libcapnp = "capnproto-c++-%i.%i.%i.%i.tar.gz" % (bundled_version)
+bundled_version = (0,5,2)
+libcapnp = "capnproto-c++-%i.%i.%i.tar.gz" % (bundled_version)
 libcapnp_url = "https://capnproto.org/" + libcapnp
 
 HERE = os.path.dirname(__file__)
diff --git a/buildutils/setup_travis.sh b/buildutils/setup_travis.sh
index 956dcf5..e25ae80 100755
--- a/buildutils/setup_travis.sh
+++ b/buildutils/setup_travis.sh
@@ -2,7 +2,7 @@
 
 set -exo pipefail
 
-CAPNP_VERSION=0.5.1.2
+CAPNP_VERSION=0.5.2
 
 sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
 sudo apt-get -qq update